Can we use mov instead of esdv Explain the reason

1 Answers   KOC,

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Can a pneumatic control valve work without positioner?

4 Answers   SMC,

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I saw one P&ID 6" control valve has been connected with 8" process line, and 2" valve also connected in parallel with 6" valve. why the 2" valve connected in parallel, Is there any technical reason. please clarify. With Regards-Kittu

5 Answers   GNFC,

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centrifugal compressor interlock? Tell me the parameter at which compressor will trip

0 Answers   Cairn,

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Can Any body tell me about the Contact or Email id of any good Consultancy which help me to find a job in Instrumentation Field in India .I have Six years of Work Experience in the Same field.Please revert me back on shammi_gwalior@yahoo.com ?

0 Answers  

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How can I zero check of wet leg type DP Tx ?

6 Answers   ONGC,

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what is differential pressure transmitter and transducer? how to work?

1 Answers   Idea,

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(1) In turbine, what does term CDP, NI, NH, HSSOC, means. (2) What is the purpose of LO overhead tank in turbines.(3) An equipment is certified for EEX, IA, IIC,T6, what do you under stand by this.(4) what is SURGE, and how it is prevented, what is the purpose of bypass valve across AS valve.(5) Give 2 application of quartz crystal used for process parameter measurement.(6) what is meant by cold float of compressor shaft. (7) state four different types of flow measurement. For gas flow measurement mmscfd is the common unit. Expand the unit and specify significance of word S in the unit.(8) what is meant by Gap voltage, in vibration measurement. Normally how much Gap voltage is set and state the reason.(9) what will the new flow factor if D/P transmitter is Re-Ranged from 25” wc to 50” wc.(10) what is the usage of QDV & Volume booster.

0 Answers   ADMA OPCO,

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What is the procedure of DP switch calibration 

2 Answers   NOCL,

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What is the formula To convert Degree centigrade to foranhight.

5 Answers  

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Explain the combusion chamber

0 Answers   IFFCO,

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what is the difference between venturi and orifice meters?

9 Answers   Medha Servo Drives,

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